chore: refactored project according to clean architecture

internal/repository/order.go

@@ -0,0 +1,15 @@
+package repository
+
+import (
+	"context"
+
+	"orderservice/internal/domain"
+)
+
+type OrderRepository interface {
+	Create(ctx context.Context, order *domain.Order) error
+	Get(ctx context.Context, id string) (*domain.Order, error)
+	Update(ctx context.Context, order *domain.Order) error
+	Delete(ctx context.Context, id string) error
+	List(ctx context.Context) ([]*domain.Order, error)
+}